Duncan is located in Arizona. Duncan, Arizona has a population of 739. Duncan is less family-centric than the surrounding county with 24.66% of the households containing married families with children. The county average for households married with children is 32.81%.
The median household income in Duncan, Arizona is $45,341. The median household income for the surrounding county is $56,298 compared to the national median of $57,652. The median age of people living in Duncan is 46.2 years.
The average high temperature in July is 97.9 degrees, with an average low temperature in January of 25 degrees. The average rainfall is approximately 13.4 inches per year, with 0.4 inches of snow per year.
